Solar image analysis shows typical astrometric jitter of 0.342 μas pc from activity, below the ~3 μas Earth-planet signal at 1 pc, so stellar contamination does not prevent Earth-like exoplanet astrometry around Sun-like stars.
and Wyatt, Mark , year =
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Dust particles inspiraling under PR drag are temporarily trapped in MMRs, escape due to overstability of librations, then undergo stochastic scattering with predicted fractions for planetary collision, sublimation, or ejection via an analytic epicycle model and Monte Carlo method.
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Astrometric exoplanet detection survives solar-like stellar contamination
Solar image analysis shows typical astrometric jitter of 0.342 μas pc from activity, below the ~3 μas Earth-planet signal at 1 pc, so stellar contamination does not prevent Earth-like exoplanet astrometry around Sun-like stars.